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authorEric Anholt <[email protected]>2013-10-07 14:34:00 -0700
committerEric Anholt <[email protected]>2013-10-23 15:33:46 -0700
commit867d0cc1fece5343e8c1655fc1b799aa8fcf5a0d (patch)
tree207f3c65d8cd94d2622140fb3d214e2465d0f7c4
parentc298f5ff5681dd7c3cf0bf7c37a6f22430deeb91 (diff)
i965: Add perf debug hint when the app makes us do index buffer scanning.
Reviewed-by: Jordan Justen <[email protected]>
-rw-r--r--src/mesa/drivers/dri/i965/brw_draw.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_draw.c b/src/mesa/drivers/dri/i965/brw_draw.c
index b6cfd53712c..0acd089bcde 100644
--- a/src/mesa/drivers/dri/i965/brw_draw.c
+++ b/src/mesa/drivers/dri/i965/brw_draw.c
@@ -481,8 +481,11 @@ void brw_draw_prims( struct gl_context *ctx,
* get the minimum and maximum of their index buffer so we know what range
* to upload.
*/
- if (!vbo_all_varyings_in_vbos(arrays) && !index_bounds_valid)
+ if (!vbo_all_varyings_in_vbos(arrays) && !index_bounds_valid) {
+ perf_debug("Scanning index buffer to compute index buffer bounds. "
+ "Use glDrawRangeElements() to avoid this.\n");
vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index, nr_prims);
+ }
/* Do GL_SELECT and GL_FEEDBACK rendering using swrast, even though it
* won't support all the extensions we support.